MODIS/Terra+Aqua BRDF/Albedo Parameter 3 Band 2 Daily L3 Global 30 ArcSec CMG V061

The MCD43D06 Version 6.1 Bidirectional Reflectance Distribution Function and Albedo (BRDF/Albedo) Model Parameter dataset is produced daily using 16 days of Terra and Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) data at 30 arc second (1,000 meter) resolution. Data are temporally weighted to the ninth day which is reflected in the Julian date in the file name. This Climate Modeling Grid (CMG) product covers the entire globe for use in climate simulation models. Due to the large file size, each MCD43D product contains just one data layer. Each of the three model parameters (isotropic, volumetric, and geometric) for each of the MODIS bands 1 through 7 and the visible, near-infrared (NIR), and shortwave bands included in [MCD43C1](https://doi.org/10.5067/MODIS/MCD43C1.061) are stored in a separate file as MCD43D01 through MCD43D30.

Users are urged to use the band specific quality flags to isolate the highest quality full inversion results for their own science applications as described in the [User Guide](https://www.umb.edu/spectralmass/modis-user-guide-v006-and-v0061/mcd43d-cmg-30-arc-second-products/).

MCD43D06 is the BRDF geometric parameter for MODIS band 2. The geometric parameter, in conjunction with the isotropic and volumetric parameters, is used to derive the BRDF/Albedo values for MODIS band 2.

Known Issues

* For complete information about known issues please refer to the [MODIS/VIIRS Land Quality Assessment website](https://landweb.modaps.eosdis.nasa.gov/knownissue?sensor=MODIS&sat=TerraAqua&as=61).

MCD43D06 版本6.1双向反射分布函数与反照率（BRDF/Albedo）模型参数数据集，基于Terra与Aqua卫星的中分辨率成像光谱仪（MODIS）16天观测数据，以30角秒（约1000米）的分辨率每日生成。数据集的时间加权节点为第9天，该信息体现在文件名的儒略日中。此气候建模格网（CMG）产品覆盖全球范围，可供气候模拟模型使用。由于单文件体积较大，每款MCD43D系列产品仅包含一个数据层。针对MODIS第1至7波段，以及[MCD43C1](https://doi.org/10.5067/MODIS/MCD43C1.061)中涵盖的可见光、近红外（NIR）与短波波段，其三类模型参数（各向同性、体散射、几何光学参数）分别存储于独立文件中，对应编号为MCD43D01至MCD43D30。

建议用户按照[用户指南](https://www.umb.edu/spectralmass/modis-user-guide-v006-and-v0061/mcd43d-cmg-30-arc-second-products/)中的说明，使用波段专属质量标志筛选最高质量的全反演结果，以支撑自身科学研究应用。

MCD43D06为MODIS第2波段的BRDF几何光学参数。该几何参数与各向同性、体散射参数结合，可反演得到MODIS第2波段的BRDF/Albedo数值。

已知问题
* 如需完整的已知问题信息，请参阅[MODIS/VIIRS陆地质量评估网站](https://landweb.modaps.eosdis.nasa.gov/knownissue?sensor=MODIS&sat=TerraAqua&as=61)。